Leaky front And rear seals

Discussion in '80-Series Tech' started by Tuner, Oct 25, 2005.

  1. Tuner

    Tuner

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    Before replacing these, do any of those seal swelling additives actually work without causing more harm than good?
     
  2. tarbe

    tarbe

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    If you are going to replace the seals anyway in the absence of an improvement, then you have nothing to lose.

    You can also try AutoRx or an oil with a high ester content. Most so-called Hi-Mileage oils have esters that condition seals.
     
  3. Bob_Garrett

    Bob_Garrett

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    I had a slight leak at the rear main last spring. It was just enough to leave a drop on the garage floor if the truck sat for a couple of days. Switching to Mobil high mileage oil seems to have stopped the leak.
     
  4. cruiserman

    cruiserman

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    are you talking about the front and rear main or axle seals?
     
  5. Tuner

    Tuner

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    Front and rear engine seal leaks are what I'm looking at a simple solution for.
     
  6. powderpig

    powderpig SILVER Star

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    It may be the pan arches, you may want to take a mirror to the rear one and see for sure. As for the front one remove the stone guard and take a real good look at the seal and arch and see which is leaking. later robbie
     
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